M4 J8 traffic
No incidents reported at M4 J8 right now.
Updated 03:27 UK time · at J8 and the stretches either side
Right now
Nothing reported at M4 J8 at the moment.
Closures tonight
No closures planned at J8 tonight.
Planned closures: next 7 days
Thursday 5 November
- Eastbound J8Entry slip road closed
Friday 6 November
- Westbound J8Entry slip road closed
The last 90 days
Incidents
157
Collisions
14
Road closed
0times
Typical time to clear
48 minmedian of 130
Busiest time
09:00–10:00
Recent incidents
- M4 crash J10–J8 eastbound
- M4 stopped traffic J10–J8 eastbound
- M4 crash J7 eastbound
- M4 crash J8–J10 westbound
- M4 crash J10–J8 eastbound
- M4 crash J8–J10 westbound
- M4 crash J10–J8 eastbound
- M4 crash J10–J8 eastbound
- M4 crash J8–J7 eastbound
- M4 crash J8–J10 westbound
- M4 stopped traffic J10 eastbound
- M4 crash J7–J8 westbound
- M4 crash J10–J8 eastbound
- M4 crash J10–J8 eastbound
- M4 crash J8 eastbound
Junctions either side
Common questions
Is the M4 closed at junction 8 right now?
No incidents have closed it right now.
Is M4 J8 closed tonight?
No closures are planned at J8 tonight. 2 are planned over the next 7 days (listed above).
How many crashes have there been at M4 J8?
14 collisions reported at or either side of J8 in the last 90 days, the latest on 2 Nov 2026 at 16:33.
Includes incidents at J8 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.